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Mortality in sickle cell disease. Life expectancy and risk factors for early death
Open accessAbstract
BACKGROUND: Information on life expectancy and risk factors for early death among patients with sickle cell disease (sickle cell anemia, sickle cell-hemoglobin C disease, and the sickle cell-beta-thalassemias) is needed to counsel patients, target therapy, and design clinical trials. METHODS: We followed 3764 patients who ranged from birth to 66 years of age at enrollment to determine the life expectancy and calculate the median age at death. In addition, we investigated the circumstances of death for all 209 adult patients who died during the study, and used proportional-hazards regression analysis to identify risk factors for early death among 964 adults with sickle cell anemia who were followed for at least two years. RESULTS: Among children and adults with sickle cell anemia (homozygous for sickle hemoglobin), the median age at death was 42 years for males and 48 years for females. Among those with sickle cell-hemoglobin C disease, the median age at death was 60 years for males and 68 years for females. Among adults with sickle cell disease, 18 percent of the deaths occurred in patients with overt organ failure, predominantly renal. Thirty-three percent were clinically free of organ failure but died during an acute sickle crisis (78 percent had pain, the chest syndrome, or both; 22 percent had stroke). Modeling revealed that in patients with sickle cell anemia, the acute chest syndrome, renal failure, seizures, a base-line white-cell count above 15,000 cells per cubic millimeter, and a low level of fetal hemoglobin were associated with an increased risk of early death. CONCLUSIONS: Fifty percent of patients with sickle cell anemia survived beyond the fifth decade. A large proportion of those who died had no overt chronic organ failure but died during an acute episode of pain, chest syndrome, or stroke. Early mortality was highest among patients whose disease was symptomatic. A high level of fetal hemoglobin predicted improved survival and is probably a reliable childhood forecaster of adult life expectancy.
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“Elevated levels of fetal hemoglobin (consisting of two alpha and two gamma chains) are associated with improved morbidity and mortality in patients with TDT and SCD.[20][21][22]”
From CRISPR-Cas9 Gene Editing for Sickle Cell Disease and β-Thalassemia (2021) · cites this paper as [21]
Experimental — accuracy not yet measuredThe source backs part of the claim, not all of it — or backs it for a different population, condition or comparison.
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“the presence of chronic kidney disease is an independent predictor of pulmonary vascular disease and early mortality in adults with SCD (68, 202).”
From Pathophysiology of Sickle Cell Disease (2019) · cites this paper as [68]
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“In 3764 patients in the pre-hydroxyurea era, HbF .8.6% was associated with improved survival.60”
From Fetal hemoglobin in sickle cell anemia (2020) · cites this paper as [60]
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“Patients affected by sickle cell anemia and β-thalassemia experience a milder course of the disease if they express elevated levels of fetal hemoglobin in adulthood (Platt et al., 1994; Weatherall, 2001).”
From Reactivation of developmentally silenced globin genes by forced chromatin looping (2014) · cites this paper as Platt et al., 1994
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“died during a pain episode and other predictors of death included acute chest syndrome, renal failure, seizures, a white blood cell count greater than 15,000, and a low fetal hemoglobin.(2) These data suggest that careful evaluation for life-threatening comorbidities is warranted.”
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“It is now clear that the pain experience of those with SCD is much more complex and frequent than the early studies suggested (Dampier et al., 2002a; Dampier et al., 2002b; Maikler et al., 2001; Platt et al., 1994; Platt et al., 1991; Shapiro et al., 1995).”
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Alcohol Abuse in Sickle Cell Disease: The Pisces Project
Levenson, J. L., McClish, D. K., Dahman, B. A., Penberthy, L. T., Bovbjerg, V. E., Aisiku, I. P., Roseff, S. D., & Smith, W. R. (2007) · American Journal on Addictions · doi:10.1080/10550490701525434 · Cited by 43
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Academic attainment findings in children with sickle cell disease.
Epping, A., Myrvik, M. P., Newby, R., Panepinto, J. A., Brandow, A., & Scott, J. (2013) · Journal of School Health · doi:10.1111/josh.12064 · Cited by 44
Nielsen, L., Canouï‐Poitrine, F., Jaïs, J., Dahmane, D., Bartolucci, P., Bentaarit, B., Gellen‐Dautremer, J., Remy, P., Kofman, T., Matignon, M., et al. (2016) · British Journal of Haematology · doi:10.1111/bjh.14040 · Cited by 43
“Sickle cell disease (SCD), one of the most common haemoglobinopathies, is associated with a high frequency of chronic kidney disease (CKD), which constitutes an independent risk factor for death in this population (Saraf et al, 2014; Platt et al, 1994).”
BackgroundSocio-environmental exposures and health outcomes among persons with sickle cell disease
Asnani, M., Madden, J. K., Reid, M. E., Greene, L.-G., & LYEW‐AYEE, P. A. (2017) · PLoS ONE · doi:10.1371/journal.pone.0175260 · Cited by 43
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Hyperfiltration predicts long-term renal outcomes in humanized sickle cell mice
Kasztan, M., Fox, B. M., Lebensburger, J. D., Hyndman, K. A., Speed, J. S., Pollock, J. S., & Pollock, D. M. (2019) · Blood Advances · doi:10.1182/bloodadvances.2018028878 · Cited by 43
Sickle cell disease in Africa: an urgent need for longitudinal cohort studies
Wonkam, A., & Makani, J. (2019) · The Lancet Global Health · doi:10.1016/s2214-109x(19)30364-x · Cited by 45
Drug Therapies for the Management of Sickle Cell Disease
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Antibiotics for treating acute chest syndrome in people with sickle cell disease
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Pharmacotherapy in sickle cell disease – state of the art and future prospects
Hankins, J. S., & Aygün, B. (2009) · British Journal of Haematology · doi:10.1111/j.1365-2141.2009.07602.x · Cited by 43
“In addition, low Hb F concentration is recognized as a predictor of early mortality among patients with SCD (Platt et al, 1994).”
BackgroundAirway hyperresponsiveness and acute chest syndrome in children with sickle cell anemia
Sylvester, K. P., Patey, R. A., Rafferty, G. F., Rees, D. C., Thein, S. L., & Greenough, A. (2007) · Pediatric Pulmonology · doi:10.1002/ppul.20571 · Cited by 43
“Adults and children with sickle cell anemia (SCA) can suffer devastating pulmonary complications, including the acute chest syndrome (ACS) which is an important predictor for early mortality.(1) Adults who have had an ACS episode have been demonstrated to have significantly higher respiratory resistance than those who…”
BackgroundLoukopoulos, D., Voskaridou, E., Kalotychou, V., Schina, M., Loutradi, A., & Theodoropoulos, I. (2000) · Blood Cells Molecules and Diseases · doi:10.1006/bcmd.2000.0328 · Cited by 43
van Beers, E. J., Tuijn, C. F. J. V., Gillavry, M. R. M., van der Giessen, A., Schnog, J. B., Biemond, B. J., & on behalf of the CURAMA study group (2008) · Haematologica · doi:10.3324/haematol.12152 · Cited by 43
Kokoska, E. R., West, K. W., Carney, D. E., Engum, S. A., Heiny, M. E., & Rescorla, F. J. (2004) · Journal of Pediatric Surgery · doi:10.1016/j.jpedsurg.2004.02.027 · Cited by 43
Antoniani, C., Romano, O., & Miccio, A. (2017) · Stem Cells Translational Medicine · doi:10.1002/sctm.17-0192 · Cited by 50
Crosby, L. E., Barach, I. M., McGrady, M. E., Kalinyak, K. A., Eastin, A. R., & Mitchell, M. J. (2012) · Anemia · doi:10.1155/2012/492428 · Cited by 43
“Hydroxyurea (HU), which is used to increase fetal hemoglobin (Hb F), has been shown to decrease morbidity and mortality in patients with SCD [4].”
BackgroundBase Editing of HBG1 and HBG2 Promoters for Sickle Cell Disease
Gupta, A. O., Sharma, A., Frangoul, H., Kanter, J., Mapara, M. Y., Dalal, J. D., Alavi, A., Jaroscak, J., Ayala, E., DiPersio, J. F., et al. (2026) · New England Journal of Medicine · doi:10.1056/nejmoa2504835 · Cited by 45
Ephraim, R. K. D., Osakunor, D. N. M., Cudjoe, O., Oduro, E. A., Asante-Asamani, L., Mitchell, J., Agbodzakey, H., & Adoba, P. (2015) · BMC Nephrology · doi:10.1186/s12882-015-0072-y · Cited by 40
Pack-Mabien, A. V., & Haynes, J. (2009) · Journal of the American Academy of Nurse Practitioners · doi:10.1111/j.1745-7599.2009.00401.x · Cited by 42
“…pain episodes The frequency of vaso-occlusive pain episodes, which are considered the hallmark of SCD, has been identified as an indicator of clinical severity and has been associated with premature deaths in patients more than 20 years of age (Platt et al., 1991, 1994; Martin & Moore, 1997).”
BackgroundInfluentialMajumdar, S., Robertson, Z. M., Robinson, A., Starnes, S. E., Iyer, R. V., & MEGASON, G. C. (2009) · Bone Marrow Transplantation · doi:10.1038/bmt.2009.244 · Cited by 42
Homocysteine Elevation in Sickle Cell Disease
Lowenthal, E. A., Mayo, M. S., Cornwell, P. E., & Thornley‐Brown, D. (2000) · Journal of the American College of Nutrition · doi:10.1080/07315724.2000.10718958 · Cited by 42
“Ischemic complications are a major cause of morbidity and mortality in patients with sickle cell disease [1].”
BackgroundTransplantation of unrelated placental blood cells in children with high-risk sickle cell disease
Adamkiewicz, T. V., Mehta, P., Boyer, M. W., Kedar, A., Olson, T. A., Olson, E. A., Chiang, K., MAURER, D. H., Mogul, M. J., Wingard, J. R., et al. (2004) · Bone Marrow Transplantation · doi:10.1038/sj.bmt.1704606 · Cited by 42
Increased adhesive properties of eosinophils in sickle cell disease
Canalli, A. A., Conran, N., Fattori, A., Saad, S. T. O., & Costa, F. F. (2004) · Experimental Hematology · doi:10.1016/j.exphem.2004.04.010 · Cited by 42
“The rigidity of these deformed cells contributes to the vascular occlusion that characterizes the acute crises of the disease and are a major cause of morbidity [2,3].”
BackgroundPsychosocial determinants of health care utilization in sickle cell disease patients
Reese, F. L., & Smith, W. R. (1997) · Annals of Behavioral Medicine · doi:10.1007/bf02883334 · Cited by 42
“shorter lifespans than those who have milder genetic variants of the disorder, that is, HbSC and HbSI~ Thallassemia (2, 20 ).”
BackgroundBailey, D. B., Armstrong, F. D., Kemper, A. R., Skinner, D., & Warren, S. F. (2008) · Journal of Pediatric Psychology · doi:10.1093/jpepsy/jsn032 · Cited by 42
“Until the early 1980s, SCD was managed symptomatically, with no known cure.”
BackgroundInfluentialPain, Coping and Health Care Utilization in Younger and Older Adults with Sickle Cell Disease
Sanders, K. A., Labott, S. M., Molokie, R. E., Shelby, S. R., & DeSimone, J. (2010) · Journal of Health Psychology · doi:10.1177/1359105309345554 · Cited by 42
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Self-citationTriagem neonatal para hemoglobinopatias no Rio de Janeiro, Brasil
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Atweh, G. F., DeSimone, J., Saunthararajah, Y., Fathallah, H., Weinberg, R. S., Nagel, R. L., Fabry, M. E., & Adams, R. J. (2003) · Hematology · doi:10.1182/asheducation-2003.1.14 · Cited by 42
Determination of Hemoglobin Saturation in Patients With Acute Sickle Chest Syndrome
Kress, J. P., Pohlman, A. S., & Hall, J. B. (1999) · CHEST Journal · doi:10.1378/chest.115.5.1316 · Cited by 42
Sickle Cell Disease at 100 Years
Orkin, S. H., & Higgs, D. R. (2010) · Science · doi:10.1126/science.1194035 · Cited by 40
Sickle cell disease in California: Sociodemographic predictors of emergency department utilization
Wolfson, J. A., Schrager, S. M., Khanna, R., Coates, T. D., & Kipke, M. D. (2011) · Pediatric Blood & Cancer · doi:10.1002/pbc.22979 · Cited by 41
“Additional influential variables include disease severity [36], urbanicity [12,31], gender [6,48], race, and ethnicity [1,2].”
BackgroundBlood bank management of sickle cell patients at comprehensive sickle cell centers
Afenyi‐Annan, A., Willis, M. S., Konrad, T. R., & Lottenberg, R. (2007) · Transfusion · doi:10.1111/j.1537-2995.2007.01434.x · Cited by 41
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“Indeed, HbF was one of the sole predictors of survival in the Cooperative Study of Sickle Cell Disease cohort study of 3,764 patients (6).”
BackgroundA Paper-Based Test for Screening Newborns for Sickle Cell Disease
Piety, N. Z., George, A., Serrano, S., Lanzi, M. C. R., Patel, P. R., Noli, M. P., Kahan, S., Nirenberg, D., Camanda, J., Airewele, G. E., et al. (2017) · Scientific Reports · doi:10.1038/srep45488 · Cited by 41
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“Indeed, the most effective treatment for the cycle cell anemia is increasing Hb F production with the formula a2g2 (a combination of two alpha chains and two gamma chains globulin) that improves clinical symptoms and consequently prolongs the patient overall survival rates.(130,131) The therapeutic role of Hb F is rel…”
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Ellison, A. M., & Bauchner, H. (2007) · PubMed Central · Cited by 41
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Metadata
- Authors
- Platt, O. S., Brambilla, D. J., Rosse, W. F., Milner, P. F., Castro, O., Steinberg, M. H., & Klug, P. P.
- Affiliations
- Boston Children's Hospital (US)
- New England Research Institutes (US)
- Duke University (US)
- Augusta University (US)
- Howard University (US)
- University of Mississippi Medical Center (US)
- Texas Tech University (US)
- Venue
- New England Journal of Medicine
- Publisher
- Massachusetts Medical Society
- Published
- 1994-06-09
- Volume
- 330
- Issue
- 23
- Pages
- 1639-1644
- ISSN
- 0028-4793 (ISSN-L)
- 1533-4406
- OpenAlex
- W2334263927
- Semantic Scholar
- 6bcc7a4d436214c41a4d128f9d221e950eb4962b
- Cited by
- 3,320
- References
- 19
- Citations by year
- 2026: 83 · 2025: 104 · 2024: 123 · 2023: 135 · 2022: 128 · 2021: 167 · 2020: 147 · 2019: 168 · 2018: 140 · 2017: 159 · 2016: 173 · 2015: 165 · 2014: 154 · 2013: 139 · 2012: 115
- FWCI
- 24.43
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- New England Journal of Medicine (publishedVersion)
- PubMed (publishedVersion)
- Digital Howard (Howard University) (submittedVersion)
- Topics
- Health Sciences › Medicine › Genetics (clinical) › Hemoglobinopathies and Related Disorders
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Malaria Research and Control
- Health Sciences › Medicine › Hematology › Blood groups and transfusion
- Keywords
- sickle cell disease, sickle cell-hemoglobin C disease, sickle beta-thalassemia, life expectancy, mortality risk factors, acute chest syndrome, vaso-occlusive crisis, stroke, renal failure, seizures, fetal hemoglobin, white blood cell count, organ failure
- MeSH terms
- Adult, Aged, Anemia, Sickle Cell, Cause of Death, Child, Female, Hemoglobin SC Disease, Humans, Life Expectancy, Male, Middle Aged, Probability, Regression Analysis, Risk Factors, Survival Analysis, beta-Thalassemia
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